Master Lock No. 3670

Multi-User Mechanical Built-In Lock


For lift handle lockers, and single point latch lockers; manual deadbolt.

This product is not intended for personal use. Please contact our cabinet project team at 877-439-5377 ext. 9002 for more information and ordering assistance.

In stock

SKU: 3670
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For more information or ordering assistance, please call our Cabinet Project Specialists at 877-439-5377 ext 9002

  • Intuitive, easy-to-use design
  • Designed for ALL single point latch lockers and lift handle lockers
  • Designed for multiple use in a day for high customer turnover facilities
  • Allows a locker user to set their own temporary 3-digit combination for the duration of visit, eliminating the need for system charting
  • Retains current combination until re-set
  • Sleek design with satin finish
  • Eliminates distribution, tracking and management of keys, combination or locks
  • Concealed mounting and rugged zinc case
  • End user registration provided to secure and simplify administration
  • Manual deadbolt locking
  • Solid zinc housing provides durability for multiple uses on a daily basis
  • Secure, easy to use re-settable combination lock offers up to 1,000 different combinations
  • Control key for supervisory access; specify key to match existing system or factory assigned
  • Extension kit (#3630-0320) available for use on wooden doors with a thickness of 11/16in to 3/4in

Best Used for:

  • Storage lockers
  • Health & Recreation facility lockers
  • School, Employee, and Athletic lockers

Note:  This lock requires a mounting hole diameter of 1/4″ minimum for proper installation and fit.

This lock is intended for institutional use, not personal use.

GoKeyless™ is a factory trained and authorized Master Lock® dealer. Sales, service, support, valid warranties. It's why thousands of clients around the world choose GoKeyless™ for their security and access control needs each year. Designed for high customer turnover facilities, the Multi-User Built-In Combination lock adds convenience to your facility by giving visitors the ability to choose their own locker and set their own 3-digit combination – the locks retain the combination until re-set. A sleek design with satin finish, these locks will look great in your facility while eliminating distribution, tracking/management of keys, combinations or locks. The three models are designed to fit on the majority of lockers.
Locker Application

Lift Handle, Single Point Latch


3 1/16 (H) x 2 23/64 (W) in.

Door Thickness Minimum

0.03 in.

Door Thickness Maximum

0.125 in.

Code Length

3 Digits


Steel Body With Metal Dial

Locking Device

Slide Bolt

Door Handing



Master Lock


Master Lock

Access Type



0.40 lbs


Manufacturer Limited Lifetime

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Customer Questions & Answers

  1. A No the extension kit would have to be purchased separately as the base model sold is designed for 1/4" thick doors. You can contact our sales department at 973-247-9327 option 1.

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